Home / 139,417,047,856.05-209,221,097,406.20-48,658,464,143.72

Finding the Fourth Proportional to 139,417,047,856.05, 209,221,097,406.20 and 48,658,464,143.72

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Solution

The fourth proportional to 139,417,047,856.05, 209,221,097,406.20 and 48,658,464,143.72 is: 73,021,035,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,417,047,856.05 : 209,221,097,406.20 = 48,658,464,143.72 : x
  2. Step 2: Convert to fraction form
    139,417,047,856.05/209,221,097,406.20 = 48,658,464,143.72/x
  3. Step 3: Cross multiply
    139,417,047,856.05x = 209,221,097,406.20 × 48,658,464,143.72
  4. Step 4: Simplify right side
    139,417,047,856.05x = 10,180,377,266,248,285,683,712
  5. Step 5: Solve for x
    x = 10,180,377,266,248,285,683,712/139,417,047,856.05
  6. Step 6: Final answer
    x = 73,021,035,969.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.